raby/common/Middleware/Auth.php

<?php
namespace ProVM\NotariaRaby\Common\Middleware;

use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Server\RequestHandlerInterface as Handler;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Container\ContainerInterface as Container;
use ProVM\NotariaRaby\Common\Service\Login;

class Auth {
  protected $users;
  public function __construct(array $users, string $login_url, Login $service) {
    $this->users = $users;
    $this->login_url = $login_url;
    $this->login = $service;
  }
  public function __invoke(Request $request, Handler $handler): Response {
    $response = $handler->handle($request);

    $is_logged_in = $this->login->checkAuth($request);
    if (!$is_logged_in and $request->getRequestTarget() != $this->login_url and $request->getRequestTarget() != implode('/', [dirname($this->login_url), 'logout'])) {
      return $response
        ->withHeader('Location', $this->login_url)
        ->withStatus(301);
    }
    return $response;
  }
}